Comanche Peak
Comanche Peak, nuclear power plant in United States, operates 2 pressurized water reactors with 2,400 MW net installed capacity and has been in service since 1990.
Unit Comanche Peak 1 has been operating for 36 years, since 1990. Its 2,400 MW net are enough to supply about 7,560,000 households.
- Country
- United States
- Units
- 2
- Technology
- PWR
- Net capacity
- 2,400 MWe
- First grid connection
- 1990
- Operator
- Luminant Generation Company
- Owner
- Luminant Generation Company LLC
- Status
- Operating
See also: alerts for this plant · every plant in United States · Nuclear power plants in Texas · Vendor: Westinghouse · every PWR reactor · how a PWR works

Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Licence until | Load factor |
|---|---|---|---|---|---|---|---|---|---|---|
| Comanche Peak 1 | Pressurized water (PWR) | Westinghouse 4-loop (WH 4LP) | Operating | 1,205 | 3,612 | Dec 19, 1974 | Apr 24, 1990 | — | Feb 8, 2050 | 99.1 % (2024) |
| Comanche Peak 2 | Pressurized water (PWR) | Westinghouse 4-loop (WH 4LP) | Operating | 1,195 | 3,612 | Dec 19, 1974 | Apr 9, 1993 | — | Feb 2, 2053 | 88.7 % (2024) |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Comanche Peak 1, a 1,205 MWe PWR (Westinghouse 4-loop (WH 4LP)), started construction in 1974, was connected to the grid in 1990 and is still operating, with a 99.1% load factor in 2024.
Comanche Peak 2, a 1,195 MWe PWR (Westinghouse 4-loop (WH 4LP)), started construction in 1974, was connected to the grid in 1993 and is still operating, with a 88.7% load factor in 2024.
Operator: Luminant Generation Company.
Owner: Luminant Generation Company LLC (Comanche Peak 1, Comanche Peak 2).